"Therefore, O students, study mathematics and do..." - Quote by Leonardo Da Vinci

“Most men are of naught more use in their lives but as machines for turning food into sh*t.”

“The memory of benefits is a frail defence against ingratitude.”

“You must grow in patience when you meet with great wrongs, and they will then be powerless to vex your mind.”

“We've got to be able to have a conversation and recognize we're all Americans; we all want the best for this country. We may have some disagreements in terms of how to get there, but all of us want to make sure that our economy is strong, that jobs are growing. All of us want to make sure that people aren't bankrupt when they get sick. All of us want to make sure that young people can afford an education.”

“Without an acquaintance with the rules of propriety, it is impossible for the character to be established”

“You perceive now, my friends, what your general or abstract duty is as teachers. Although you have to generate in your pupils a large stock of ideas, any one of which may be inhibitory, yet you must also see to it that no habitual hesitancy or paralysis of the will ensues, and that the pupil still retains his power of vigorous action.”

“The creative principle [of science] resides in mathematics.”

“I never failed in mathematics. Before I was fifteen I had mastered differential and integral calculus.”

“Mathematics deals exclusively with the relations of concepts to each other without consideration of their relation to experience.”